20717281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2567519

約数列:

[1, 13, 29, 179, 307, 377, 2327, 3991, 5191, 8903, 54953, 67483, 115739, 714389, 1593637, 20717281]

約数ペア:

[(1, 20717281), (13, 1593637), (29, 714389), (179, 115739), (307, 67483), (377, 54953), (2327, 8903), (3991, 5191)]